← AI Security & GovernanceAI Security & Governance

AWS AI Governance

The same five-layer shape, rebuilt from AWS primitives instead of one packaged platform — and a convergence point that takes real assembly to reach.

Ask how to govern AI in AWS and the honest answer isn't a single product stack the way Azure increasingly is — it's five roles filled by services that were never designed as one governance suite. Service Control Policies and AWS Config split the rulebook between them; IAM and Config target Bedrock and SageMaker resources directly; Bedrock and SageMaker are the workbench; and Macie, Comprehend, Audit Manager, and CloudTrail split watching duty three or four ways instead of one. None of that makes AWS governance weaker — it makes it more assembly, and worth mapping honestly rather than treating it as a rebadged version of theAzure stack.

Where the two clouds genuinely diverge is the convergence point. Azure's Foundry control plane is one screen by design. AWS gets there by aggregating Security Hub findings with a Config aggregator — real and useful, but stitched together rather than built in from day one.

How the AWS Pieces Connect

SCPs and Config rules govern the workbench; the workbench is built on resources Config can target directly; three separate services watch what it produces; and Security Hub is where those signals get pulled back together — assembled, not native.

How AWS Organizations, Bedrock, SageMaker, and the AWS watcher services fit together🏛️ AWS ORGANIZATIONS — decides what's allowedBASELINE ENFORCEMENT• Config rules flag drift• SCPs block public access• Deny statements, no audit• Encryption required org-wideCUSTOM RULES• IAM caps model access• Custom Config rule logic• SCP conditions by OU• Org-specific allow-listsEFFECTS• SCP — denies, that's it• Config Audit — flags only• Auto-remediation — self-heals• SSM Automation — provisionsSCOPE & ASSIGNMENT• Set at the OU level• Tied to conformance packs• Covers CMMC, FedRAMP, 800-171• Needs Organizations admingoverns what's allowed(deny only, no audit)extendscoverage to🪨 BEDROCK & SAGEMAKERBUILD• Bedrock model catalog• SageMaker JumpStart templates• Bedrock Agents for tool use• No shared hub/project layerOPERATE• Model Registry approvals• CloudWatch metrics & alarms• Manual stage promotion• No single fleet dashboardGUARDRAILS (CONTENT SAFETY)• Bedrock Guardrails block denied topics and redact PII• Contextual grounding checks catch made-up responses• Filters run on both the prompt and the response• No native red-team agent — Clarify covers part of the gapwatcheswhat itproducesruns on⚙️ BEDROCK / SAGEMAKER RESOURCESBedrock model resources and SageMaker endpoints — theexact ARNs that IAM policies and Config rules target.🧩 CONVERGENCE POINT• Findings — Security Hub pulls in Config, GuardDuty, Macie• Compliance — Config aggregator's cross-account rollup• Coverage — no single guardrail-comparison view exists• Posture — stitched from several consoles, not one paneTwo services combined instead of one control plane —still more assembly required than Foundry's single pane.surfacesin SecurityHub too🕵️ MACIE · AUDIT MGR · CLOUDTRAILMACIE• Classification and discovery, but scoped to S3 only• Finds PII/PHI/financial patterns at rest, not in transit• No tenant-wide AI-app inventory like Purview DSPM hasBEDROCK LOGGING + COMPREHEND• Invocation logging captures every prompt and response• Comprehend screens content for PII before a call completes• Two separate services standing in for one DLP productAWS AUDIT MANAGER• Framework-mapped assessments against NIST, ISO, CMMC• Collects audit evidence on a schedule, not continuously• Scoring is assessment-based, not a live running scoreCLOUDTRAIL• Logs every management and data-plane API call tenant-wide• Prompt/response detail lives in Bedrock's own logs instead• Feeds Security Hub as one signal among several🏛️SCPs + CONFIGthe rules⚙️BEDROCK / SAGEMAKERwhat they target🪨BEDROCK & SAGEMAKERwhere it gets built🕵️MACIE, AUDIT, TRAILthe check on all three

The AWS Governance View

Four different questions, and this time some of them get answered by two or three services instead of one — worth keeping straight before comparing coverage claims against Azure.

ServiceRoleWhat It Actually Does
SCPs + AWS ConfigThe rulebookTwo services standing in for one — SCPs deny outright with no audit mode, Config rules flag drift and can auto-remediate
Bedrock / SageMaker resourcesThe targetThe actual ARNs an IAM policy or Config rule attaches to — a model invocation or a SageMaker endpoint
Bedrock & SageMakerThe workbenchWhere foundation models and agents actually run, get registered, and stay observable once deployed
Macie, Audit Manager, CloudTrailThe watcherThree separate services covering data discovery, framework mapping, and API-level audit — no single overlay product

SCPs + AWS Config — the Enforcement Layer

Service Control Policies decide what's allowed to exist across an organization, but they only do one thing: deny. There's no built-in audit mode and no auto-remediation inside an SCP itself — that half of the enforcement story belongs to AWS Config, whose managed and custom rules can flag a non-compliant resource or trigger a remediation action (often a Systems Manager Automation document) to fix it automatically. Treating "SCP + Config" as one enforcement layer, the way this page does, is a deliberate simplification — in practice they're two different services with two different consoles, wired together by whoever builds the governance program.

PillarCovers
Baseline enforcementAWS Config managed rules plus SCP statements that block public endpoints and unencrypted resources tenant-wide
Custom / org rulesCustom Config rules and SCP conditions — IAM policy conditions that cap which foundation models an identity can invoke
EffectsSCPs only deny; the audit and auto-remediate half comes from Config remediation actions and Systems Manager Automation
Scope & assignmentApplied at the AWS Organizations OU level, tied to Config conformance packs mapped to CMMC, FedRAMP, NIST 800-171

Bedrock & SageMaker — Build and Operate

Bedrock's model catalog and SageMaker JumpStart cover the "build" half — foundation models, fine-tuning, and Bedrock Agents for tool-calling workflows. The "operate" half runs through SageMaker's Model Registry, which gates promotion between environments with an explicit approval status, plus CloudWatch metrics and alarms for whatever's actually deployed. What AWS doesn't have is a single hub/project layer or one fleet-wide dashboard the way Foundry's control plane provides — build and operate stay two separate surfaces here.

Guardrails — Content Safety

Guardrails for Amazon Bedrock covers the same ground Azure's Content Safety layer does: denied-topic blocking, PII redaction, and content filters, plus a contextual grounding check that catches responses unsupported by the source material. Filters apply to both the prompt going in and the response coming out. Where the two clouds genuinely part ways is adversarial testing — Azure ships a built-in AI red-teaming agent, and AWS doesn't have a direct equivalent. SageMaker Clarify (built for bias and explainability, not purpose-built red teaming) plus a custom adversarial-testing pipeline are what fill that gap today.

Bedrock / SageMaker Resources — What the Rules Target

Policy doesn't govern "Bedrock" or "SageMaker" as abstractions — IAM policies and Config rules target the actual resource ARNs underneath: a Bedrock model invocation, a custom model resource, or a SageMaker endpoint. Anyone writing a custom Config rule or SCP condition for AI workloads needs to know these ARNs are the literal target, the same way an S3 bucket or an EC2 instance would be.

Macie, Comprehend, Audit Manager & CloudTrail — the Watcher, Split Three Ways

Azure answers "what did the AI actually do with sensitive data" with one product family — Purview. AWS answers it with several. Macie classifies and discovers sensitive data, but only inside S3, so it can't inventory every AI surface across a tenant the way Purview DSPM for AI does. Bedrock's own invocation logging captures prompt/response pairs, and Comprehend can screen content for PII before a call completes — two services doing what Purview DLP does as one. Audit Manager handles framework-mapped compliance evidence, and CloudTrail captures every API call tenant-wide, though the prompt-level detail lives separately in Bedrock's own logs rather than in CloudTrail itself.

CapabilityWhat It Does
MacieClassifies and discovers sensitive data, but its reach stops at S3 — there is no tenant-wide AI-app discovery the way Purview DSPM has
Bedrock Invocation Logging + ComprehendLogs prompt/response pairs and screens content for PII ahead of a call — two services standing in for one DLP product
AWS Audit ManagerRuns framework-mapped assessments against NIST, ISO, and CMMC, collecting evidence on a schedule rather than continuously
CloudTrailCaptures every management and data-plane API call tenant-wide; prompt/response detail lives separately in Bedrock’s own logs

Security Hub — Convergence by Assembly, Not by Design

Security Hub pulls findings from Config, GuardDuty, Macie, and other sources into one console, and a Config aggregator adds a cross-account, cross-region compliance rollup on top of that. Together they're the closest thing AWS has to Foundry's single control plane — genuinely useful, and a real answer to "where do I check everything." But it's an answer built by combining two services that weren't designed together, not one product built around AI workloads specifically. There's no equivalent to Foundry's dedicated guardrails-coverage tab that compares every deployment side by side; that comparison, if you need it, gets built by hand from Security Hub's findings.

None of this makes AWS AI governance weaker than Azure's — it means the program has to be built rather than switched on. Every layer above has a real AWS answer; the honest difference is that Azure increasingly packages that answer as one product per layer, and AWS still expects someone to wire the primitives together.

See the Azure AI Governancepage for the packaged-product side of this comparison, andBasic Idea of AI Governancefor the cloud-agnostic agent threats and mitigations that apply here just as much.